CN103636298B - Cooler and motor integrated power-converting device - Google Patents
Cooler and motor integrated power-converting device Download PDFInfo
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- CN103636298B CN103636298B CN201180071898.6A CN201180071898A CN103636298B CN 103636298 B CN103636298 B CN 103636298B CN 201180071898 A CN201180071898 A CN 201180071898A CN 103636298 B CN103636298 B CN 103636298B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/33—Drive circuits, e.g. power electronics
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
- H02K9/227—Heat sinks
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20927—Liquid coolant without phase change
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Inverter Devices (AREA)
Abstract
Using the face of the flat board (102) of regulation thickness of slab as cooling surface (101), at one end face (102a) forms a pair refrigerant inlet and outlet (111, 112), formed in the face of the side contrary with cooling surface (101): first and second refrigerant flow path (131, 132), be communicated with refrigerant inlet (111) and for by refrigerant branches to each refrigerant flow path (131, 132) refrigerant branch path (121), and from each refrigerant flow path (131, 132) cold-producing medium that the cold-producing medium that outlet is flowed out converges converges path (122), the cold-producing medium flowed along clockwise direction in the first refrigerant flow path (131) flows through the cold-producing medium formed with the first refrigerant flow path (131) crossings on different level ground and is communicated with stream (123), the cold-producing medium flowed in the counterclockwise direction in second refrigerant stream (132) flows into cold-producing medium with the cold-producing medium flowed in the first refrigerant flow path (131) and converges path (122).Thus, the pressure loss can be avoided, obtain high cooling performance and realize comprising the simplification of the cooling system of refrigerant piping etc.
Description
Technical field
The present invention relates to cooler and be equipped with the motor integrated power-converting device of this cooler, particularly relating to by making the liquid such as water as coolant carry out the cooler cooled and the motor integrated power-converting device employing this cooler at the internal run-through of cooler.
Background technology
Power converter semiconductor element or power converter semiconductor module are because producing large thermal losses along with energising, therefore, use the liquid-cooled cooler making cold-producing medium compulsory circulation from outside as cooler, the various patterns of the cooling flowing path of this liquid-cooled cooler are open.
Such as, semiconductor element cooler shown in patent documentation 1 has bottom cooling body, this bottom cooling body has the outlet part that formed in the shape of a spiral from the entrance of cooling water towards central part and to turn back and with outlet part adjacently towards the loop feature going out interruption-forming of cooling water from this outlet part, top cooling body is utilized to be covered with the top of this bottom cooling body, overall as cooler, achieve the cooler that can carry out uniform cooling.
In addition, the electric component cooler shown in patent documentation 2 is by being divided into many and achieving the raising of cooling performance by spiral helicine stream.
In addition, the cooler of the electronic equipment shown in patent documentation 3, by arranging many streams flowed alternately to rightabout for cold-producing medium in coldplate, can cool uniformly.
In addition, the motor integrated convertor device shown in patent documentation 4 arranges the afterframe being formed with cooling water channel between motor and converter, thus achieves the motor integrated convertor device simplifying distribution.
At first technical literature
Patent documentation
Patent documentation 1: Japanese Patent Publication 7-112034 publication
Patent documentation 2: Japanese Unexamined Patent Publication 8-97337 publication
Patent documentation 3: Japanese Laid-Open Patent Publication 59-193053 publication
Patent documentation 4: Japanese Patent No. 3975162 publication
Summary of the invention
The problem that invention will solve
In recent years, as the ring being devoted to environmental problem, the market of hybrid electric vehicle (HEV), electric automobile (EV) is very active, the upswing in demand of the power converter semiconductor element that motor drives or power converter semiconductor module.When HEV or EV, except the cooling performance of power converter semiconductor element or power converter semiconductor module, also there is restriction in interior space, therefore, expects to make the small-sized of motor and converter integration and simple drive system.
In the conventional example shown in above-mentioned patent documentation 1 and patent documentation 2, form stream in the shape of a spiral, and comprise a pair refrigerant inlet and many streams are all formed in the same face by refrigerant outlet, therefore flow path length can not be avoided to increase and produce this situation of the large pressure loss, in this case, there are the following problems: need at the high performance pump of outer setting to improve cooling performance.
In addition, in the conventional example shown in above-mentioned patent documentation 3, need to make cold-producing medium flow round about in coldplate to form multiple gateway, thus the structure that there is refrigerant piping becomes complicated problem.In addition, owing to there is gateway at multiple position, therefore there is the problem also needing the pump preparing multiple stage outside.
Like this, all there is the large-scale and problem that cost is high of the chiller system including external pump in above-mentioned patent documentation 1 ~ 3.
In addition, in the motor integrated convertor device shown in above-mentioned patent documentation 4, arrange between motor and converter and there is the afterframe of cooling performance, but there are the following problems: fully can not ensure cooling performance and as the simplification of cooling system including cold-producing medium pipe arrangement.
The present invention makes to solve the problem, and the object of the present invention is to provide a kind of cooler, and this cooler realizes excellent cooling performance and small-sized and simply construct simultaneously.In addition, another object of the present invention is to provide a kind of motor integrated power-converting device, this motor integrated power-converting device carries this cooler and has excellent cooling performance, and realizes small-sized and simply construct.
For solving the scheme of problem
Cooling apparatus of the present invention is standby: have regulation thickness and using the flat cooler matrix of its surface as cooling surface, at lateral surface opening ground a pair refrigerant inlet being formed and the refrigerant outlet of above-mentioned cooler matrix, path is converged in refrigerant branch path that formed in the inside of above-mentioned cooler matrix, that be communicated with above-mentioned refrigerant inlet, the cold-producing medium be communicated with above-mentioned refrigerant outlet, and many refrigerant flow paths to be communicated with above-mentioned refrigerant branch path, above-mentioned refrigerant branch path is converged path with above-mentioned cold-producing medium and is communicated with by arbitrary refrigerant flow path in above-mentioned many refrigerant flow paths, except other refrigerant flow paths except an above-mentioned refrigerant flow path, via cold-producing medium connection stream, path is converged with above-mentioned cold-producing medium in above-mentioned refrigerant branch path to be communicated with, above-mentioned cold-producing medium be communicated with stream in the face that the forming surface from above-mentioned refrigerant flow path is different on above-mentioned thickness direction with above-mentioned refrigerant flow path crossings on different level formed, above-mentioned many refrigerant flow paths are configured to, the flow direction of the cold-producing medium flowed in the adjacent refrigerant flow path in above-mentioned many refrigerant flow paths becomes mutually rightabout.
Motor integrated power-converting device of the present invention possesses motor, control the power converter semiconductor element of above-mentioned motor or power converter semiconductor module and cooler, above-mentioned electric tools is for motor reel and motor bracket, this motor bracket has the plane vertical with above-mentioned motor reel and can be supported rotatably by above-mentioned motor reel, and above-mentioned cooling apparatus is standby: have regulation thickness and using the flat cooler matrix of its surface as cooling surface; At lateral surface opening ground a pair refrigerant inlet being formed and the refrigerant outlet of above-mentioned cooler matrix; Path is converged in refrigerant branch path that formed in the inside of above-mentioned cooler matrix, that be communicated with above-mentioned refrigerant inlet, the cold-producing medium be communicated with above-mentioned refrigerant outlet; and many refrigerant flow paths to be communicated with above-mentioned refrigerant branch path, above-mentioned refrigerant branch path is converged path with above-mentioned cold-producing medium and is communicated with by arbitrary refrigerant flow path in above-mentioned many refrigerant flow paths, except other refrigerant flow paths except an above-mentioned refrigerant flow path, via cold-producing medium connection stream, path is converged with above-mentioned cold-producing medium in above-mentioned refrigerant branch path to be communicated with, above-mentioned cold-producing medium be communicated with stream in the face that the forming surface from above-mentioned refrigerant flow path is different on above-mentioned thickness direction with above-mentioned refrigerant flow path crossings on different level formed, above-mentioned many refrigerant flow paths are configured to, the flow direction of the cold-producing medium flowed in the adjacent refrigerant flow path in above-mentioned many refrigerant flow paths becomes mutually rightabout, in above-mentioned motor integrated power-converting device, above-mentioned cooler matrix is formed for the through hollow hole of above-mentioned motor reel, above-mentioned motor bracket is fixed in a face of above-mentioned cooler matrix, another face of above-mentioned cooler matrix is fixed above-mentioned power converter semiconductor element or power converter semiconductor module.
The effect of invention
According to cooler of the present invention, the pressure loss can be avoided, obtain high cooling performance and realize comprising the simplification of the cooling system of refrigerant piping etc.
According to motor integrated power-converting device of the present invention, small-sized and simple motor integrated power-converting device can be obtained, while realizing the high cooling performance of cooler, make cooler, motor bracket and motor integrated to high-density.
Accompanying drawing explanation
Fig. 1 is stereogram and the front view of the execution mode 1 representing cooler of the present invention.
Fig. 2 is stereogram and the front view of the execution mode 2 representing cooler of the present invention.
Fig. 3 represents chiller applications of the present invention in the stereogram of the execution mode 3 of motor integrated power-converting device and front view.
Fig. 4 is stereogram and the front view of the execution mode 4 representing cooler of the present invention.
Embodiment
Execution mode 1.
Fig. 1 (a), Fig. 1 (b) are stereogram and the front view of the execution mode 1 representing cooler of the present invention.Cooler 100 of the present invention is by the thickness with regulation and formed by the flat cooler matrix of its surface as cooling surface.Fig. 1 is the figure of the structure of the stream representing the confession flow of refrigerant formed in the inside of cooler matrix.As shown in Figure 1, be formed at the lateral surface i.e. refrigerant inlet 111 of an end face 102a opening of cooler 100 and refrigerant outlet 112.In the same face of the side contrary with cooling surface 101 of dull and stereotyped 102, around central shaft C be coaxial be formed with the first refrigerant flow path 131 and the second refrigerant stream 132 of confession flow of refrigerant.Between refrigerant inlet 111 and one end of the first refrigerant flow path 131 and second refrigerant stream 132, be formed with refrigerant branches for flowing into from the refrigerant inlet 111 refrigerant branch path 121 to the first refrigerant flow path 131 and second refrigerant stream 132.In refrigerant outlet 112 side, be formed with the cold-producing medium that the cold-producing medium that flows out from the other end of the first refrigerant flow path 131 and second refrigerant stream 132 converges and converge path 122.The other end of the first refrigerant flow path 131 converges path 122 via cold-producing medium connection stream 123 with cold-producing medium and is communicated with, described cold-producing medium is communicated with stream 123 face different from the face being formed with the first refrigerant flow path 131 and second refrigerant stream 132 on the thickness direction of flat board, with the first refrigerant flow path 131 crossings on different level formed.
Namely, refrigerant branch path 121 and cold-producing medium are converged path 122 and are communicated with by second refrigerant stream 132, first refrigerant flow path 131 is communicated with stream 123 via cold-producing medium and refrigerant branch path 121 and cold-producing medium are converged path 122 is communicated with, described cold-producing medium be communicated with stream 123 in the face that the forming surface from above-mentioned refrigerant flow path is different on above-mentioned thickness direction with above-mentioned refrigerant flow path crossings on different level formed.
Then, a concrete example of the first refrigerant flow path 131 and second refrigerant stream 132 is described.At this, for ease of illustrating, each stream adopts the display form of groove.
First refrigerant flow path 131 by the first groove 131a be communicated with refrigerant branch path 121, to be communicated with the first groove 131a and the second groove 131b being formed as arc-shaped and the 3rd groove 131c that is communicated with the second groove 131b is formed.In addition, be communicated with the 3rd groove 131c and converge the cold-producing medium that path 122 is communicated with cold-producing medium and be communicated with stream 123, with the first refrigerant flow path 131 crossings on different level formed.
Second refrigerant stream 132 by the 3rd groove 131c along the first refrigerant flow path 131 be formed in be communicated with outside it and with refrigerant branch path 121 the 4th groove 132a, to be communicated with the 4th groove 132a and to be formed in the 5th groove 132b outside it along the second groove 131b and to be communicated with the 5th groove 132b and to be formed in outside it along the first groove 131a and to converge the 6th groove 132c that path 122 is communicated with cold-producing medium and form.
In FIG, be branched from the cold-producing medium of the low temperature of refrigerant inlet 111 inflow in refrigerant branch path 121, mutually flow round about in the first refrigerant flow path 131 of inner side and the second refrigerant stream 132 in outside, thus the power converter semiconductor element or power converter semiconductor module being arranged at cooling surface 101 is cooled.The cold-producing medium flowed in the second refrigerant stream 132 in outside and the cold-producing medium flowed in the first refrigerant flow path 131 converge path 122 at cold-producing medium and converge and flow out from refrigerant outlet 112.Cold-producing medium temperature in the process of cooling rises to high temperature from low temperature, but by making the cold-producing medium of the cold-producing medium of flowing in the first refrigerant flow path 131 and flowing in second refrigerant stream 132 mutually flow round about, the cooler 100 that cooling surface 101 entirety has uniform cooling performance can be obtained.
According to the present embodiment 1, in the face different on the thickness direction of flat board from the forming surface of the first refrigerant flow path 131 and second refrigerant stream 132, arrange and be communicated with stream 123 with the cold-producing medium that the first refrigerant flow path 131 intersects, the cold-producing medium flowed out from the other end of the first refrigerant flow path 131 is communicated with stream 123 via cold-producing medium and flows to cold-producing medium and converge path 122, therefore, can flow path length be shortened and reduce the pressure loss.In addition, first refrigerant flow path 131 flow cold-producing medium and second refrigerant stream 132 flow cold-producing medium mutually flow round about, therefore, the cooler 100 that cooling surface 101 entirety has even and high cooling performance can be obtained.In addition, refrigerant inlet 111 and refrigerant outlet 112 only have a pair, only can arrange a pair such as the cold-producing medium link such as pipe joint of link in outside, and, flow path length can be shortened, therefore, the generation of the pressure loss can be suppressed.
In addition, refrigerant piping arrange a pair just enough, the pump of outer setting also pumps up effect by one, therefore, can construct simple cooling system, overall as cooling system, can simply and form at low cost.
Execution mode 2.
Fig. 2 (a), Fig. 2 (b) are stereogram and the front view of the execution mode 2 representing cooler of the present invention, represent the structure of the stream of flow of refrigerant.As shown in Figure 2, at a lateral surface i.e. end face 202a of the cooler matrix of cooler 200, a pair refrigerant inlet 211 and refrigerant outlet 212 is formed with.In the same face of the side contrary with cooling surface 201 of dull and stereotyped 202, around central shaft C be coaxial be formed with the first refrigerant flow path 231 of confession flow of refrigerant, second refrigerant stream 232, the 3rd refrigerant flow path 233 and the 4th refrigerant flow path 234.Between refrigerant inlet 211 and one end of the first refrigerant flow path the 231 ~ four refrigerant flow path 234, be formed with the refrigerant branch path 221 of the refrigerant branches for flowing into from refrigerant inlet 211 to the first refrigerant flow path 231, second refrigerant stream 232, the 3rd refrigerant flow path 233 and the 4th refrigerant flow path 234.Be formed with the cold-producing medium be communicated with the other end of the first refrigerant flow path 231, second refrigerant stream 232, the 3rd refrigerant flow path 233 and the 4th refrigerant flow path 234 in refrigerant outlet 212 side and converge path 222.The other end of second refrigerant stream 232 directly converges path 222 with cold-producing medium and is communicated with, the other end of other refrigerant flow paths 231,233,234 except second refrigerant stream 232, converge path 222 via cold-producing medium connection stream 223 with cold-producing medium to be communicated with, described cold-producing medium is communicated with stream 223 face different from the face being formed with the first refrigerant flow path the 231 ~ four refrigerant flow path 234 on the thickness direction of flat board, with the first refrigerant flow path 231, the 3rd refrigerant flow path 233, is formed to the 4th refrigerant flow path 234 crossings on different level.
Namely, refrigerant branch path 221 and cold-producing medium are converged path 222 and are communicated with by second refrigerant stream 232, other refrigerant flow paths 231,233,234 except second refrigerant stream 232, be communicated with stream 223 via with the first refrigerant flow path 231, the 3rd refrigerant flow path 233, the cold-producing medium that formed to the 4th refrigerant flow path 234 crossings on different level, refrigerant branch path 221 and cold-producing medium converged path 222 and is communicated with.
Be with above-mentioned execution mode 1 difference: be formed with the 3rd refrigerant flow path 233 within it along the first refrigerant flow path 231, be formed with the 4th refrigerant flow path 234 along the 3rd refrigerant flow path 233.
Then, a concrete example of the 3rd refrigerant flow path 233 and the 4th refrigerant flow path 234 is described.At this, for ease of illustrating, each stream adopts the display form of groove.
3rd refrigerant flow path 233 is by being communicated with refrigerant branch path 221 and forming the 7th groove 233a within it along the 3rd groove 231c, be communicated with and form the 8th groove 233b within it along the second groove 231b and be communicated with the 8th groove 233b and form along the 9th groove 233c that the first groove 231a is formed within it with the 7th groove 233a.In addition, be communicated with the 9th groove 233c and converge the cold-producing medium that path 222 is communicated with cold-producing medium and be communicated with stream 223, with the first groove 231a, the 7th groove 233a and the tenth groove 234a crossings on different level formed, the 9th groove 233c is communicated with stream 223 via cold-producing medium and converges path 222 with cold-producing medium and be communicated with.
4th refrigerant flow path 234 is by being communicated with refrigerant branch path 221 and forming the tenth groove 234a within it along the 9th groove 233c, be communicated with and form the 11 groove 234b within it along the 8th groove 233b and be communicated with the 11 groove 234b and form along the 12 groove 234c that the 7th groove 233a is formed within it with the tenth groove 234a, and the 12 groove 234c is communicated with stream 223 via cold-producing medium and converges path 222 with cold-producing medium and be communicated with.
In fig. 2, the cold-producing medium of low temperature flowed into from refrigerant inlet 211 is branched to the end of a side of the first ~ four refrigerant flow path 231 ~ 234 in refrigerant branch path 221, alternately to rightabout flowing in adjacent stream in the first ~ four refrigerant flow path 231 ~ 234, thus the power converter semiconductor element or power converter semiconductor module being arranged at cooling surface 201 is cooled.Flowing in second refrigerant stream 232 cold-producing medium flowed out from its end directly enters cold-producing medium converges path 222, in the first refrigerant flow path 231, the 3rd refrigerant flow path 233 and the 4th refrigerant flow path 234 flowing cold-producing medium, via cold-producing medium be communicated with stream 223 enter cold-producing medium converge path 222 and with flow from second refrigerant stream 232 cold-producing medium converge after flow out from refrigerant outlet 212.Cold-producing medium temperature in the process of cooling rises to high temperature from low temperature, but by making the cold-producing medium of flowing in the first ~ four refrigerant flow path 231 ~ 234 mutually flow round about in adjacent refrigerant flow path, the cooler 200 that cooling surface 201 entirety has uniform cooling performance can be obtained.
According to the present embodiment 2, be communicated with stream 223 owing to being provided with the first refrigerant flow path 231, the 3rd refrigerant flow path 233, the cold-producing medium that formed to the 4th refrigerant flow path 234 crossings on different level, therefore, can flow path length be shortened and reduce the pressure loss.In addition, because the cold-producing medium of flowing in the first ~ four refrigerant flow path 231,232,233,234 mutually flows round about in adjacent refrigerant flow path, therefore, the cooler 200 that cooling surface 201 entirety has uniform cooling performance can be obtained.In addition, refrigerant inlet 211 and refrigerant outlet 212 only have a pair, not need in outside extraly setting example as cold-producing medium links such as the pipe joints as link, and, flow path length can be shortened, therefore, the generation of the pressure loss can be suppressed.
In addition, refrigerant piping just arranges a pair enough, and the pump of outer setting also pumps up effect by one, therefore, can construct simple cooling system, overall as cooling system, can obtain utilizing the simple of cold-producing medium and the cooler of low cost.
In addition, in above-mentioned execution mode 1 and 2, illustrating that refrigerant flow path is the situation of 2 and 4 such even numbers, but also can be 3 such odd numbers, can also be more than 4.When refrigerant flow path is odd number, by changing the groove width of refrigerant flow path, the cooling performance of cooler can be made all even in cooling surface entirety.
In addition, such as in fig. 2, illustrate that the shape of the second groove 231b, the 5th groove 232b, the 8th groove 233b and the 11 groove 234b is the example of the circular arc that coaxial is formed, but be not limited to circular arc, such as, the various shapes such as the quadrangle formed in coaxial can also be adopted.
In addition, in above-mentioned execution mode 1 and 2, also can be configured to, the entrance and exit of the entrance and exit of refrigerant inlet 111 and refrigerant outlet 112, refrigerant inlet 211 and refrigerant outlet 212 is put upside down, cold-producing medium is converged path 122,222 as refrigerant branch path, path is converged as cold-producing medium in refrigerant branch path 121,221.
Execution mode 3.
Fig. 3 is the figure representing motor integrated power-converting device of the present invention, and especially, Fig. 3 (a), Fig. 3 (c) are stereograms, Fig. 3 (b) is front view.In addition, in fig. 3 (c), be in cooling surface 301 in front of the mode of side illustrate cooler 300, motor bracket 3100, motor 3200.
As shown in Figure 3, cooler 300 illustrates for the structure roughly the same with the structure shown in above-mentioned execution mode 1.
Be with the difference of above-mentioned execution mode 1: on the central shaft of the first refrigerant flow path 331 of cooler 300 and the circular arc of second refrigerant stream 332, being formed with the hollow hole 350 that electric motor axle 3201 passes, cooling surface 301 being fixed with the power converter semiconductor element for controlling motor 3200 or power converter semiconductor module 3001 ~ 3012.
As shown in Figure 3 (c), motor integrated power-converting device of the present invention has motor 3200, and this motor 3200 has: motor reel 3201 and have the plane vertical with motor reel 3201 and the motor bracket 3100 that can be supported rotatably by motor reel 3201.In motor bracket 3100, be provided with the jut 3101 that all sides are within it configured with the cylindrical shape of motor reel 3201.In addition, a face of the cooling surface 301 of cooler 300 is fixed with power converter semiconductor element or power converter semiconductor module 3001 ~ 3012, is provided with lid 360 on the other surface.Lid 360 is equipped with installation screw thread platform 361.The jut 3101 being arranged at motor bracket 3100 is entrenched in hollow hole 350, is fixed in motor bracket 3100 by cooler 300 by screw 370.Because jut 3101 is cylindric, therefore, become the structure of the motor reel 3201 that directly can enter the inner circumferential side being in cylinder.
According to the present embodiment 3, small-sized and simple motor integrated power-converting device can be obtained, while realizing the high cooling of cooler 300, make cooler 300, motor bracket 3100 and motor 3200 integrated to high-density.
In addition, in present embodiment 3, show the example carrying the cooler 300 roughly the same with the cooler shown in above-mentioned execution mode 1, but also can carry the cooler 200 shown in above-mentioned execution mode 2.In this case, the hollow hole being arranged at cooler 200 is disposed through the central shaft of the circular arc of the 4th refrigerant flow path 234 formed in most inner circumferential.
Execution mode 4.
Fig. 4 (a), Fig. 4 (b) are stereogram and the front view of the execution mode 4 representing cooler of the present invention.As shown in Figure 4, cooler 400 illustrates for the structure roughly the same with the structure shown in above-mentioned execution mode 1.Be with the difference of above-mentioned execution mode 1: erect the fin 451 being provided with the flow direction along cold-producing medium and extending at the first refrigerant flow path 431, erect the fin 452 being provided with the flow direction along cold-producing medium and extending at second refrigerant stream 432.This fin 451,452 also can be applied to each refrigerant flow path of above-mentioned execution mode 2.
According to the present embodiment 4, owing to being provided with fin 451 at the first refrigerant flow path 431, second refrigerant stream 432 is provided with fin 452, therefore, the cooler playing high cooling performance can be obtained.
Utilizability in industry
Cooler of the present invention and motor integrated power-converting device can be effective to the electric motor for vehicle of motor vehicle, train etc.
Claims (4)
1. a cooler, is characterized in that, possesses:
Flat cooler matrix, using surface as cooling surface;
Refrigerant inlet and refrigerant outlet, above-mentioned cooler matrix lateral surface opening formed;
Path is converged in refrigerant branch path that formed in the inside of above-mentioned cooler matrix, that be communicated with above-mentioned refrigerant inlet, the cold-producing medium be communicated with above-mentioned refrigerant outlet; And
Many the refrigerant flow paths be communicated with above-mentioned refrigerant branch path,
Above-mentioned refrigerant branch path is converged path with above-mentioned cold-producing medium and is communicated with by a refrigerant flow path in above-mentioned many refrigerant flow paths,
Except other refrigerant flow paths except an above-mentioned refrigerant flow path, via cold-producing medium connection stream, path is converged with above-mentioned cold-producing medium in above-mentioned refrigerant branch path to be communicated with, above-mentioned cold-producing medium be communicated with stream in the face that the forming surface from above-mentioned refrigerant flow path is different in a thickness direction with above-mentioned refrigerant flow path crossings on different level formed
Above-mentioned many refrigerant flow paths are configured to, and the flow direction of the cold-producing medium flowed in the adjacent refrigerant flow path in above-mentioned many refrigerant flow paths becomes mutually rightabout.
2. cooler as claimed in claim 1, is characterized in that,
The fin being provided with the flow direction along cold-producing medium and extending is erect in the inside of above-mentioned refrigerant flow path.
3. a motor integrated power-converting device, is characterized in that, possesses motor, controls the power converter semiconductor element of above-mentioned motor or power converter semiconductor module and cooler,
Above-mentioned electric tools is for motor reel and motor bracket, and this motor bracket has the plane vertical with above-mentioned motor reel and can be supported rotatably by above-mentioned motor reel,
Above-mentioned cooling apparatus is standby:
Flat cooler matrix, using surface as cooling surface;
Refrigerant inlet and refrigerant outlet, above-mentioned cooler matrix lateral surface opening formed;
Path is converged in refrigerant branch path that formed in the inside of above-mentioned cooler matrix, that be communicated with above-mentioned refrigerant inlet, the cold-producing medium be communicated with above-mentioned refrigerant outlet; And
Many the refrigerant flow paths be communicated with above-mentioned refrigerant branch path,
Above-mentioned refrigerant branch path is converged path with above-mentioned cold-producing medium and is communicated with by a refrigerant flow path in above-mentioned many refrigerant flow paths, except other refrigerant flow paths except an above-mentioned refrigerant flow path, via cold-producing medium connection stream, path is converged with above-mentioned cold-producing medium in above-mentioned refrigerant branch path to be communicated with, above-mentioned cold-producing medium be communicated with stream in the face that the forming surface from above-mentioned refrigerant flow path is different in a thickness direction with above-mentioned refrigerant flow path crossings on different level formed, above-mentioned many refrigerant flow paths are configured to, the flow direction of the cold-producing medium flowed in the adjacent refrigerant flow path in above-mentioned many refrigerant flow paths becomes mutually rightabout,
Above-mentioned cooler matrix is formed for the through hollow hole of above-mentioned motor reel,
A face of above-mentioned cooler matrix is fixed on above-mentioned motor bracket, another face of above-mentioned cooler matrix is fixed above-mentioned power converter semiconductor element or power converter semiconductor module.
4. motor integrated power-converting device as claimed in claim 3, is characterized in that,
The fin being provided with the flow direction along cold-producing medium and extending is erect in the inside of above-mentioned refrigerant flow path.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2011/066338 WO2013011557A1 (en) | 2011-07-19 | 2011-07-19 | Cooler and motor-integrated power conversion apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103636298A CN103636298A (en) | 2014-03-12 |
| CN103636298B true CN103636298B (en) | 2016-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180071898.6A Expired - Fee Related CN103636298B (en) | 2011-07-19 | 2011-07-19 | Cooler and motor integrated power-converting device |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9647509B2 (en) |
| JP (1) | JP5683704B2 (en) |
| CN (1) | CN103636298B (en) |
| DE (1) | DE112011105452T5 (en) |
| WO (1) | WO2013011557A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN103607871B (en) * | 2013-11-29 | 2017-07-11 | 北京经纬恒润科技有限公司 | A kind of cooling water channel and controller housing for power-supply controller of electric |
| CN104201825A (en) * | 2014-08-14 | 2014-12-10 | 沈坤元 | Efficiently-formed radiator for disc-type motor |
| GB2549086B (en) * | 2016-03-30 | 2022-09-07 | Advanced Electric Machines Group Ltd | Electrical sub-assembly |
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2011
- 2011-07-19 WO PCT/JP2011/066338 patent/WO2013011557A1/en active Application Filing
- 2011-07-19 CN CN201180071898.6A patent/CN103636298B/en not_active Expired - Fee Related
- 2011-07-19 JP JP2013524541A patent/JP5683704B2/en not_active Expired - Fee Related
- 2011-07-19 DE DE112011105452.1T patent/DE112011105452T5/en not_active Withdrawn
- 2011-07-19 US US14/123,838 patent/US9647509B2/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1187882C (en) * | 2000-03-03 | 2005-02-02 | 达尼埃尔·德雷克 | Cooling brake activated by foucault currents |
| CN101656445A (en) * | 2009-09-14 | 2010-02-24 | 精进电动科技（北京）有限公司 | System and method for cooling motors |
Also Published As
| Publication number | Publication date |
|---|---|
| US20140125164A1 (en) | 2014-05-08 |
| JPWO2013011557A1 (en) | 2015-02-23 |
| US9647509B2 (en) | 2017-05-09 |
| DE112011105452T5 (en) | 2014-04-17 |
| JP5683704B2 (en) | 2015-03-11 |
| CN103636298A (en) | 2014-03-12 |
| WO2013011557A1 (en) | 2013-01-24 |
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